538.8 - 251.902 Ma

The definition of this interval in the timescale International Chronostratigraphic Timescale is taken from the following source:

• K. M. Cohen, S.C. Finney, P.L. Gibbard and J.-X. Fan. 2023. The ICS International Chronostratigraphic Chart v2023/09. view

There are intervals in 40 timescales which overlap this one. show

• International Chronostratigraphic Timescale: Stage 3 age, Katian age, Late Ordovician epoch, Homerian age, Hirnantian age, Ludfordian age, Famennian age, Darriwilian age, Stage 2 age, Fortunian age, Wenlock epoch, Guzhangian age, Sakmarian age, Aeronian age, Emsian age, Tremadocian age, Rhuddanian age, Eifelian age, Asselian age, Series 2 epoch, Stage 10 age, Pennsylvanian epoch, Roadian age, Lochkovian age, Terreneuvian epoch, Early Ordovician epoch, Pragian age, Wuliuan age, Moscovian age, Mississippian epoch, Gzhelian age, Floian age, Sheinwoodian age, Kungurian age, Cisuralian epoch, Middle Ordovician epoch, Furongian epoch, Drumian age, Sandbian age, Kasimovian age, Stage 4 age, Frasnian age, Tournaisian age, Guadalupian epoch, Pridoli epoch, Bashkirian age, Changhsingian age, Wordian age, Visean age, Givetian age, Early Devonian epoch, Late Devonian epoch, Paibian age, Dapingian age, Telychian age, Jiangshanian age, Llandovery epoch, Artinskian age, Middle Devonian epoch, Serpukhovian age, Capitanian age, Wuchiapingian age, Miaolingian epoch, Gorstian age, Ludlow epoch, Lopingian epoch
• Obsolete Names for ICS Units: Longtanian age, Stage 5 age, Series 3 epoch
• Carboniferous Subepochs: Middle Pennsylvanian subepoch, Early Mississippian subepoch, Middle Mississippian subepoch, Early Pennsylvanian subepoch, Late Pennsylvanian subepoch, Late Mississippian subepoch
• Devonian Subages: Early Emsian subage, Early Frasnian subage, Middle Famennian subage, Early Eifelian subage, Late Givetian subage, Early Givetian subage, Late Emsian subage, Middle Frasnian subage, Early Famennian subage, Late Eifelian subage, Middle Givetian subage, Late Frasnian subage, Late Lochkovian subage, Middle Lochkovian subage, Early Lochkovian subage, Late Famennian subage
• Cambrian Epochs: Late Cambrian epoch, Early Cambrian epoch, Middle Cambrian epoch
• Permian of the Russian Platform: Uskalykian subage, Povolzhian subage, Saraninian subage, Ufimian subage, Shikhanian subage, Tatarian age, Filipovian subage, Sokian subage, Irginian subage, Surenian subage, Severodvinian subage, Tastubian subage, Kazanian age, Vyatkian subage, Sterlitamakian subage, Urzhumian subage, Burtsevian subage, Sarginian subage, Irenian subage
• Permian of the Pamirs: Murgabian age, Dzhulfian age, Bolorian age, Kubergandian age, Yakhtashian age, Dorashamian age, Midian age
• Permo-Triassic Subages of Eastern Europe: Early Vyatkian subage, Late Urzhumian subage, Late Kazanian subage, Late Severodvinian subage, Early Severodvinian subage, Early Kazanian subage, Late Vyatkian subage, Early Urzhumian subage
• Permian Subages of Germany: Buntsandstein subage, Ohre subage, Leine subage, Aller subage
• Permian of Western Europe: Autunian epoch, Zechstein epoch, Rotliegendes epoch
• Permian of the Salt Range: Amb age, Kathwai age, Wargal age, Kalabagh age, Chhidru age
• Permian of China: Longlinian age, Kuhfengian age, Laoshanian age, Luodianian age, Zisongian age, Meishanian age, Lengwuan age, Baoqingian age, Laibinian age
• Permian of North America: Lenoxian subage, Cathedralian subage, Nealian subage, Hessian subage, Wolfcampian age, Leonardian age
• Carbo-Permian of the Russian Platform: Noginskian subage, Radaevkian subage, Protvian subage, Voznesenian subage, Kizelian subage, Melekessian subage, Melekhovian subage, Myachkovian subage, Pavlovoposadian subage, Vereian subage, Bobrikian subage, Cherepetian subage, Cheremshanian subage, Krasnopolyanian subage, Dorogomilovian subage, Steshevian subage, Venevian subage, Karakubian subage, Kosvian subage, Severokeltmian subage, Kashirian subage, Khamovnikian subage, Zapaltjubian subage, Gumerovian subage, Malevkian subage, Tulian subage, Mikhailovian subage, Krevyakinian subage, Aleksinian subage, Rusavkinian subage, Podolskian subage, Prikamian subage, Tarusian subage, Upinian subage
• Carboniferous of Western Europe: Stephanian age, Stephanian B subage, Marsdenian subage, Asbian subage, Chokierian subage, Chadian subage, Arundian subage, Westphalian age, Holkerian subage, Brigantian subage, Westphalian A subage, Yeadonian subage, Stephanian C subage, Arnsbergian subage, Moliniacian age, Warnantian age, Westphalian B subage, Hastarian age, Cantabrian subage, Livian age, Alportian subage, Ivorian age, Namurian age, Stephanian A subage, Westphalian D subage, Pendleian subage, Westphalian C subage, Kuzel age, Kinderscoutian subage
• Carboniferous of China: Dewunian age, Lousuan age, Jiusian age, Tangbagouan age, Huashibanian age, Shangsian age, Xiaodushanian age, Dalaun age
• Obsolete Carboniferous Ages of China: Mapingian age
• Carboniferous of North America: Desmoinesian age, Virgilian age, Atokan age, Meramecian age, Osagean age, Missourian age, Morrowan age, Chesterian age, Bursumian age, Kinderhookian age
• Devonian of France: Couvinien age, Coblencien age, Gedinnine age
• Devonian of Germany: Dasberg age, Siegen age, Nehden age, Hemberg age, Adorf age, Wocklum age
• Devonian of Czechoslovakia: Daleje age, Srbsko age, Zlichovian age, Chotec age
• Devonian of Eastern North America: West Fallsian age, Tioughniogan age, Taghanican age, Sonyean age, Deer Parkian age, Sawkillian age, Conneautan age, Cazenovian age, Conewangan age, Canadaway age, Southwoodian age, Helderbergian age, Geneseean age
• Silurian of the Baltic: Adavere age, Juuru age, Jaani age, Ohesaare age, Kuressaare age, Raikkula age, Jaagarahu age, Paadla age, Rootsikula age, Kaugetuma age
• Silurian Ages of Europe: Whitwellian age, Gleedonian age
• Silurian of England: Tickwood age, Wych age, Downton Castle age, Coalbrookdale age, Temeside Shales age, Woolhope age, Bringewood age, Elton age, Cowleigh Park age, Whitcliffe age, Leintwardine age, Buildwas age, Wenlock (England) age, Red Downtonian age
• Silurian of North America: Alexandrian age, Lockportian age, Niagaran age, Medinan age, Ontarian age, Cayugan age, Clinton age
• Ordovician of Britain: Middle Llandeilo age, Rawtheyan age, Burrellian age, Early Llanvirn age, Moridunian age, Harnagian age, Woolstonian age, Soudleyan age, Actonian age, Cheneyan age, Late Llandeilo age, Migneintian age, Costonian age, Cautleyan age, Llanvirn epoch, Pusgillian age, Aurelucian age, Longvillian age, Tremadoc epoch, Caradoc epoch, Abereiddian age, Fennian age, Ashgill epoch, Arenig epoch, Late Llanvirn age, Streffordian age, Onnian age, Whitlandian age, Cressagian age, Llandeilo age, Marshbrookian age, Early Llandeilo age, Llandeilian age
• Ordovician of the Baltic: Pakerort age, Billingen age, Viru epoch, Nabala age, Kukruse age, Kunda age, Porkuni age, Saka age, Aseri age, Oeland epoch, Varangu age, Uhaku age, Vormsi age, Latorp age, Valaste age, Hunneberg age, Rakvere age, Vaana age, Keila age, Johvi age, Langevoja age, Haljala age, Pirgu age, Idavere age, Hunderum age, Oandu age, Volkhov age, Lasnamagi age, Aluoja age, Harju epoch
• Ordovician of Ibero-Bohemia: Arenigian age, Klabava age, Bohdalec age, Zahorany age, Liben age, Oretanian age, Berounian age, Vinice age, Kralodvorian age, Letna age, Kosovian age, Dobrotivian age, Sarka age
• Ordovician of Australia: Warendian age, Eastonian age, Gisbornian age, Bendigonian age, Chewtonian age, Bolindian age, Yapeenian age, Castlemainian age, Lancefieldian age
• Ordovician of China: Hanjiang age, Xiaoxita age, Xinchangian age, Daobaowan age, Guniu age, Dawan age, Wufeng age, Neichianshanian age, Shikou age, Hulo age, Hunjiang age, Chientangkiangian age, Ningkuo age, Lianghekou age, Yiyangian age
• Ordovician of North America: Edenian age, Chazyan age, Rangerian age, Richmondian age, Shermanian age, Ashbyan age, Turinian age, Canadian age, Marmor age, Gasconadian age, Maysvillian age, Rocklandian age, Stairsian age, Cincinnatian epoch, Wildernessian age, Skullrockian age, Cassinian age, Ibexian epoch, Trentonian age, Whiterockian epoch, Blackhillsian age, Blackriveran age, Jeffersonian age, Demingian age, Tulean age, Gamachian age, Kirkfieldian age, Chatfieldian age, Franklinian age, Mohawkian epoch
• Cambrian of China: Taijangian age, Meishucunian age, Waergangian age, Taoyuanian age, Wangcunian age, Youshuanian age, Jinnigian age, Niuchehean age, Nangaoian age, Duyunian age
• Cambrian of Australia: Ordian age, Boomerangian age, Templetonian age, Undillan age, Datsonian age, Iverian age, Idamean age, Mindyallan age, Floran age, Payntonian age
• Cambrian of Siberia: Amgan age, Toyonian age, Batyrbaian age, Nganasanian age, Nemakit-Daldynian age, Tavgian age, Menevian age, Maduan age, Mayan age, Lenian age, Sakian age, Ketyan age, Atdabanian age, Mansian age, Tommotian age, Aksaian age, Botomian age, Yurakian age, Solvan age, Ayusokkanian age, Ensyan age
• Cambrian of Kazakhstan: Ungurian age, Tuesaian age, Zhanaarykian age
• Cambrian of North America: Delamaran age, Waucoban age, Dyeran age, Steptoean age, Albertian age, Sunwaptan age, Topazan age, Marjumian age, Dresbachian age, Franconian age, Millardan age, Montezuman age, Begadean age
• Cambrian of West Avalonia: Placentian age, Arcadian age, Branchian age
• Cambrian of Britain: Dolgellian age, Trempealeauan age, Maentwrogian age
• Permian-Jurassic of New Zealand: DUrville epoch, Makarewan age, Flettian age, Puruhauan age, Barettian age, Aparima epoch, Waiitian age, Mangapirian age, Telfordian age

This interval is used in the definition of 34 collections

A total of 87404 collections with 557533 occurrences lie within this time span